03177+3838 STT  53AB

 
 
03h 17m 44.01s +38 38' 21.1" P.A. 232.1 sep 0.57 mag 7.73,8.50 Sp G0 dist. 60.1 pc (196.05 l.y.)
 
 
Coord 2000
03177+3838
Discov num
STT  53
Comp
AB
Coord arcsec 2000
03 17 44.01 +38 38 21.1
Date first
1843
Date last
2016
Obs
149
Pa first
270
Pa last
233
P.A. Now (θ)
232.1°
Sep first
0.7
Sep last
0.6
Sep. Now (ρ)
0.57"
Mag pri
7.73
Mag sec
8.50
delta mag (ΔM)
0.77
Spectral class
G0 (yellow)
Pri motion ra
+112
Sec motion ra
+112
Pri motion dec
-044
Sec motion dec
-044
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
03177+3838 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 56320 03177+3838 STT 53 AB 1843 2016 149 232 0.6 7.73 8.50 0.77 Y <===
Show 56320 03177+3838 TOK 237 AC 1980 2002 6 180 106.6 7.73 13.34 5.61
Show 03177+3838 RAO 10 Ca,Cb 2012 2012 2 223 1.6 13.00 17.00 4.00
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
232.8
Precise sep
0.568
Cdsa2 id
STT 53 AB
Constellation
Perseus
SAO
56320
HIP
15329
Tycho2
2848-01379-1
HD
20347
ADS
2446
BD
BD+38 689
Ra deg
3.295558333333333
De deg
38.63919444444444
Distance
60.1
Distance ly
196.05
last precise pa
232.8
last precise sep
0.568
 
 
ORBITAL ELEMENTS
 
 
Period (P)114.3y± 0.96 Periastron (T)1931.8y± 1 Semi-major axis (a)0.71a± 0.024
Eccentricity (e)0.86± 0.01 Inclination (i)121.7°± 1.7 Longitude of periastron (ω)70.9°± 2.1
Node (Ω)135.1°± 3 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 0.726 250.3
2001 0.719 249.5
2002 0.712 248.6
2003 0.705 247.8
2004 0.698 246.9
2005 0.690 246.0
2006 0.682 245.1
2007 0.674 244.2
2008 0.666 243.3
2009 0.657 242.3
2010 0.649 241.3
2011 0.640 240.3
2012 0.631 239.2
2013 0.621 238.1
2014 0.612 237.0
2015 0.602 235.8
2016 0.592 234.7
2017 0.582 233.4
2018 0.572 232.1
2019 0.561 230.8
2020 0.551 229.4
2021 0.540 228.0
2022 0.529 226.5
2023 0.518 225.0
2024 0.506 223.3
2025 0.494 221.6
2026 0.483 219.8
2027 0.471 218.0
2028 0.459 216.0
2029 0.446 213.9
2030 0.434 211.7

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds03177%2B3838f.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03177+3838 STT 53 AB 2012 143 237 0.6 7.73 8.50 G0 NO 031744.01+383821.1
03177+3838 STT 53 AB 2014 144 237 0.6 7.73 8.50 G0 NO 031744.01+383821.1
03177+3838 STT 53 AB 2016 149 233 0.6 7.73 8.50 G0 NO 031744.01+383821.1

If you need more information about this double, apply for a data request form to the WDS.